Ceph instance with three monitoring services running on Raspberry Pi 4 Model B’s
And two servers, suggested 3 hard drives in each server of about 18 TB or 20 TB per drive.
| Brand | Model | Size |
| Seagate | IronWolf Pro | 18 TB |
| Item | Quantity | Price (ea) | Notes or Description |
| Raspberry Pi 4 model B, 8GB | 3 | 75.00 | Includes 32GB storage card and power supply |
| Seagate 18 TB Iron Wolf Pro | 6 | 624.99 | Price as of 6-Aug-2021 |
| Totals | Amount (USD) |
| SBC subtotal: | 225.00 USD |
| Drive subtotal: | 3749.94 USD |
| Total: | 3974.94 USD |
| Tax: | |
| Shipping: | Free |
The drives total up to about 108TB however some of it is duplicated, so lets say we have 81TB usable. Further
imagine there are many 50kb files in the cluster. There could then be about 1.6 billion files or objects of that size.
___________________________________________
